Showing posts with the label
Expanding Universe
So now it turns out, what we call the observable universe — the portion observable within our cosmological horizon, a.k.a the final frontier — has at least 10 times more galaxies than the mid-1990s H…
Physicists have long studied the nature of the universe. But some go a step further into the unknown (and probably unknowable), contemplating what lies outside the boundaries of our universe. Is it p…
The Hubble Space Telescope has been used to measure the phenomenon first observed by the astronomer after which it was named: the expansion of the universe. It is the most precise measurement of the …
Astronomers used telescopes in space and on the ground to examine five galaxies – leading them to arrive at an independent measurement of the Hubble constant. This new measurement is challenging the …
Though the universe is only 13.8 billion years old, it is also 93 billion light-years wide, which confuses some because nothing is supposed to be able to travel faster than the speed of light. Howeve…
It’s generally assumed that the universe — all existing matter and space considered as a whole — is at least 10 billion light years in diameter, and contains many, many galaxies. Since its creation i…
A new study may have found a link between dark energy and the Second Law of Thermodynamics—suggesting that the very expansion of the universe may impart a direction to time. It’s one of those things …
